- Conover, Charles Tallmadge, 1862 19612
- Oregon Agricultural College. Experiment Station2
- United States Geographic Board2
- Beckwith, T. D. (Theodore Day), 1879 19461
- Boothe, Joe Miles1
- Burke, Thomas C.1
- Edminster, Albert Franklin1
- Eugene Commercial Club1
- Farrar, Victor J.1
- Gardner, Victor Ray, 1885 1
- Magness, J. R. (John Robert), 1894 1
- Marshall, Roy Edgar, 1890 1
- Mccredie, A. L.1
- Merriam, C. Hart1
- Muir, John, 1838 19141
- Oregon. State Immigration Commission1
- Robinson, R. H. (Reginald Heber), 1886 1
- Skinner, Hubert M.1
- Southern Pacific Company1
- Vass, A. F. (Alonzo Frederick), 1886 1